Product info

Non-Stop system for down the hole hammer

Robit® Non-Stop system is an advanced casing system that start to drill with a casing and then to continues beyond it without tool changes. No need to pull out the pilot bit and the drill string to replace it by a conventional down the hole bit. A single operation disconnects the pilot and the ring from the casing. The drilling can be continued free from the casing tube without losing the drilling diameter.

Casing OD (mm)219,1
Casing OD (in.)8 ⅝
Casing Max Wall (mm)6
Casing Max Wall (in.)0.236
Ring bit ID (mm)186
Ring bit ID (in.)7.323
Ring bit OD (mm)233
Ring bit OD (in.)9.173
Pilot bit OD (mm)197
Pilot bit OD (in.)7.756
Hammer6”
Product number03-000-219-4535

Compatible products

DTH-RoX NS 219,1/6
Pilot, Down the Hole Hammer, Non-Stop
DTH-RoX NS 219,1/6
Ring, Down the Hole Hammer, Non-Stop